Wired microphones

Ultra-miniature listening microphone, suitable for listening and recording with any recording system or device

Professional preamplified microphone for voice conversation recording, disguised as an ordinary ballpoint pen.

Headset acoustic amplifier to improve hearing of conversations, radio and television broadcasts

The SA69 wired preamplified microphone is a wired microphone which features a microphone preamplifier able to allow picking up a whisper up to 10-12 yds/meters away (-53db gain). 

Ultra miniature battery-powered wired microphone with embedded electronic preamplifier and pinhole (1mm) microphone capsule

Headset-shaped amplified audio microphone to better listen to sounds and conversations up to a maximum distance of 10 yds/meters

Internet microphone